Surveying instrument



FIG. 1 is a front, top, and right side perspective view of a surveying instrument showing my new design;

FIG. 2 is a rear, top, and left side perspective view thereof;

FIG. 3 is a front elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a right side elevational view thereof; and,

FIG. 8 is a left side elevational view thereof.

The features shown in broken lines in the drawings depict environmental subject matter only and form no part of the claimed design. 

CLAIM The ornamental design for a surveying instrument, as shown and described. 